Division 7.1 The surface of the weights, including their bases and edges, shall be entirely smooth. The surface of class El E2, F1 and F2 weights shall show no porosity when examined by the naked eye, and shall be carefully polished.F1
United Kingdom Repealed
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .